<?php
include_once('modules/fileserver/fileserver_common.php');
include_once('class.cObject.php');

class FileServerShare extends cObject 
{
	var $_users = NULL;
	var $_users_old;

	function FileServerShare($id)
	{
		cObject::cObject();
		if ($this->error())
			return false;

		$required = array(
			'name',
			'path',
		);

		if (0 == $id) {
			$this->setReqAttr($required);
			return;
		}

		if (!$this->chkTable_())
			return;

		$this->attr['id'] = $id;

		// Initialise object via Table object
		$this->Table->setId($id);

		// select data from table
		if (!$this->Table->select()) {
			$this->attr['id'] = -1;
			$this->setError_(get_class($this) . ': unable to select: ' . $this->Table->getErrorMsg());
			return;
		}

		// fetch table row,
		$this->attr = $this->Table->fetchArray();

		if (!$this->attr) {
			$this->attr = $this->resetAttr_();
			$this->setError_(get_class($this) . ': unable to fetch array: ' . $this->Table->getErrorMsg());
			return;
		}

		$this->oldAttr_ = $this->attr;
		$this->setReqAttr($required);
	}
	
	function &_fetch_users()
	{
		if (!is_array($this->_users)) {
			$this->_users = array();
			$query = 'SELECT uid FROM ' . FILESERVER_TABLE_VALID_USERS . ' WHERE sid="' . $this->getId() . '"';
			if (false === ($res = mysql_query($query))) {
				$this->setError_('mysql_query() failed: ' . db_error());
				return false;
			}
			while(list($uid) = mysql_fetch_row($res))
				$this->_users[$uid] = true;
			mysql_free_result($res);
			
			$this->_users_old = $this->_users;
		}
		return $this->_users;
	}

	function resetAttr_()
	{
		return array(
			'id'			=> 0,
			'name'			=> '',
			'path'			=> '',
			'description'	=> '',
			'writable'		=> 'false',
			'guest_ok'		=> 'false',
			'valid_users'	=> 'any',
		);
	}

	function getInputableAttr_()
	{
		$ret = $this->resetAttr_();
		unset($ret['id']);
		return $ret;
	}

	function initFromSubmit()
	{
		if (false === cObject::initFromSubmit()) {
			$this->setError_('cObject::initFromSubmit() failed: ' . $this->getErrorMsg());
			return false;
		}

		if ('select' == $this->getValidUsers()) {
			$users = get_gpc('users', array());
			$this->clear_users();
			foreach (explode(',', $users) AS $uid) {
				if (false === $this->add_user($uid)) {
					$this->setError_(get_class($this) . '::add_user() failed: ' . $this->getErrorMsg());
				}
			}
		}

		//valid_users init to-do !!!
		return true;
	}
	
	function &get_users()
	{
		if (false === ($users =& $this->_fetch_users()))
			return false;
		foreach ($users AS $uid => $name) {
			if (is_object($name))
				continue;
			include_once('modules/fileserver/FileServerUser.php');
			$myFileServerUser =& objectMaker('FileServerUser', $uid);
			if ($myFileServerUser->error()) {
				$this->setError_('Unable to create FileServerUser objetc: ' . $this->getErrorMsg());
				return false;
			}
			$users[$uid] =& $myFileServerUser;
		}
		return $users;
	}
	
	function add_user($id)
	{
		if (false === ($users =& $this->_fetch_users()))
			return false;
		$users[$id] = true;
		return true;
	}

	function del_user($id)
	{
		if (false === ($users =& $this->_fetch_users()))
			return false;
		unset($users[$id]);
		return true;
	}

	function clear_users()
	{
		if (false === ($users =& $this->_fetch_users()))
			return false;
		$users = array();
		return true;
	}

	function isExist($name = '')
	{
		if (!(isset($this) && is_object($this) && get_class($this) == 'fileservershare'))
			return FileServerShare::isExist(0, $name);

		if (!$this->chkTable_())
			return false;

		$ret = $this->Table->isExist($this->getId(), $this->getName());

		if ($this->Table->error()) {
			$this->setError_($this->Table->getErrorMsg());
			return false;
		}

		return $ret;
	}

	function update()
	{
		$create = 0 == $this->getId();

		//update share in db
		if (false === cObject::update())
			return false;
		
		if (is_array($this->_users)) {
			//update valid_users in db
			$deleted_users = array_diff_assoc($this->_users_old, $this->_users);
			foreach (array_keys($deleted_users) AS $uid) {
				$query = 'DELETE FROM ' . FILESERVER_TABLE_VALID_USERS . ' WHERE sid="' . $this->getId() . '" AND uid="' . $uid . '"';
				if (false === mysql_query($query)) {
					$this->setError_('mysql_query() failed: ' . db_error());
					return false;
 				}
			}
			$added_users = array_diff_assoc($this->_users, $this->_users_old);
			foreach (array_keys($added_users) AS $uid) {
				$query = 'REPLACE INTO ' . FILESERVER_TABLE_VALID_USERS . ' SET sid="' . $this->getId() . '", uid="' . $uid . '"';
				if (false === mysql_query($query)) {
					$this->setError_('mysql_query() failed: ' . db_error());
					return false;
 				}
			}
		}
		
		include_once('modules/fileserver/FileServerManager.php');
		$myFileServerManager =& FileServerManagerMaker();
		if ($myFileServerManager->error()) {
			$this->setError_('Unable to create FileServerManager object: ' . $myFileServerManager->getErrormsg());
			return false;
		}

		if ('any' == $this->getValidUsers()) {
			$valid_users = false;
		} elseif ('none' == $this->getValidUsers()) {
			$valid_users = array();
		} else {
			$valid_users = array();
			foreach ($this->get_users() AS $myFileServerUser)
				$valid_users[] = $myFileServerUser->getName();
		}

		if ($create) {
			if (false === $myFileServerManager->add_share($this->getName(), $this->getPath(), $this->isWritable(),  $this->isGuestOk(), $this->getDescription(), $valid_users, true)) {
				$this->setError_('FileServerManager::add_share() failed: ' . $myFileServerManager->getErrorMsg());
				return false;
			}
		} else {
			if ($this->isAttrChanged('name') && (false === $myFileServerManager->rename_share($this->getOldAttr('name'), $this->getName(), true))) {
				$this->setError_('FileServerManager::rename_share() failed: ' . $myFileServerManager->getErrorMsg());
				return false;
			}
			if (($this->isAttrChanged('path') ||
				$this->isAttrChanged('writable') ||
				$this->isAttrChanged('guest_ok') ||
				$this->isAttrChanged('description') || (
					is_array($this->_users) && (
						count(array_diff_assoc($this->_users_old, $this->_users)) > 0 ||
						count(array_diff_assoc($this->_users, $this->_users_old)) > 0))) &&
				(false === $myFileServerManager->update_share($this->getName(), $this->getPath(), $this->isWritable(), $this->isGuestOk(), $this->getDescription(), $valid_users, true))) {
			}
		}

		return true;
	}

	function delete()
	{
		if (0 == $this->getId())
			return true;

		//clear valid users in db
		$query = 'DELETE FROM ' . FILESERVER_TABLE_VALID_USERS . ' WHERE sid="' . $this->getId() . '"';
		if (false === mysql_query($query)) {
			$this->setError_('mysql_query() failed: ' . db_error());
			return false;
		}

		//clear share in db
		if (false === cObject::delete())
			return false;

		include_once('modules/fileserver/FileServerManager.php');
		$myFileServerManager =& FileServerManagerMaker();
		if ($myFileServerManager->error()) {
			$this->setError_('Unable to create FileServerManager object: ' . $myFileServerManager->getErrormsg());
			return false;
		}

		if (false === $myFileServerManager->del_share($this->getName())) {
			$this->setError_('FileServerManager::add_user() failed: ' . $myFileServerManager->getErrorMsg());
			return false;
		}

		return true;
	}

	function setName($name)
	{
		return $this->setAttr('name', $name);
	}

	function setPath($path)
	{
		return $this->setAttr('path', $path);
	}

	function setDescription($description)
	{
		return $this->setAttr('description', $description);
	}

	function setWritable($writable)
	{
		return $this->setAttr('writable', $writable);
	}
	
	function setValidUsers($valid_users)
	{
		return $this->setAttr('valid_users', $valid_users);
	}

	function onChange_valid_users_()
	{
		if ('any' == $this->getValidUsers()) 
			$this->clear_users();
		return true;
	}

	function getName()
	{
		return $this->getAttr('name');
	}

	function getPath()
	{
		return $this->getAttr('path');
	}

	function getDescription()
	{
		return $this->getAttr('description');
	}

	function getWritable()
	{
		return $this->getAttr('writable');
	}

	function getGuestOk()
	{
		return $this->getAttr('guest_ok');
	}

	function getValidUsers()
	{
		return $this->getAttr('valid_users');
	}

	function isWritable()
	{
		return 'true' == $this->getWritable();
	}

	function isGuestOk()
	{
		return 'true' == $this->getGuestOk();
	}

	function chk_name_($name)
	{
		return mb_strlen($name) > 0;
	}

	function chk_path_($path)
	{
		$ret = util_exec('filemng', array('psaadm', 'file', '-L', $path), 'lst');
		if (false === $ret) {
			global $plesk_errormsg;
			FileManager::setError_('filemng file failed: ' . $plesk_errormsg);
			return false;
		}
		$re = "/^(?:.+):\s([^:]+)$/";
		if (!preg_match($re, $ret[0], $matches) || 'directory' != $matches[1])
			return false;

		include_once('class.Checker.php');
		return Checker::filepath($path);
	}

	function chk_description_($description)
	{
		return true;
	}

	function chk_writable_($writable)
	{
		return in_array($writable, array('true', 'false'));
	}
	
	function chk_guest_ok_($guest_ok)
	{
		return in_array($guest_ok, array('true', 'false'));
	}

	function chk_valid_users_($valid_users)
	{
		return in_array($valid_users, array('any', 'select'));
	}
}

//______________________________________________________________________________

include_once('class.Table.php');

class FileServerShareTable extends Table
{

	function FileServerShareTable($fieldNames)
	{
		if (!is_array($fieldNames)) {
			$this->setError_('field names are not an array');
			return;
		}

		$tableCards = FILESERVER_TABLE_SHARES;
		$fNames = array_keys($fieldNames);

		$this->Table($tableCards, $fNames);
	}

	function isExist($id, $name)
	{
		$name = idn_toascii($name);
		$query = 'SELECT count(*) FROM ' . FILESERVER_TABLE_SHARES . ' WHERE name="' . mysql_escape_string($name) . '" AND id !="' . $id . '"';
		$res = mysql_query($query);
		if (!$res) {
			if (is_object($this)) {
				$this->setError_('Unable to query: ' . db_error());
				return false;
			}
			psaerror('Unable to query: ' . db_error());
		}

		list($num) = mysql_fetch_row($res);
		mysql_free_result($res);
		return ($num + 0 > 0);
	}
}
?>